Some people report mild nausea when taking Full Spectrum Hemp Oil together with their thyroid medications. Since both substances are processed by the CYP450 enzyme system, taking Full Spectrum Hemp Oil with a thyroid medication may cause hyperthyroidism because more thyroxine would be secreted than the body could metabolize.
Cannabinoids and thyroid hormones both play a role in regulating your metabolism. While we do not know exactly how CBD affects your metabolism, there is potential that synthetic thyroid hormone replacement medication and CBD may compete to regulate your metabolism.
Aside from uncertainties in how CBD and thyroid medication interact, there is some evidence that CBD helps reduce inflammation, which is at the root of Hashimoto's disease, one of the leading causes of hypothyroidism. Indeed, it has immunosuppressant-like qualities, making it a potentially valuable substance for certain autoimmune diseases like Hashimoto's.